340278372 has 72 divisors (see below), whose sum is σ = 1034779200. Its totient is φ = 92104128.

The previous prime is 340278361. The next prime is 340278427. The reversal of 340278372 is 273872043.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30747 + ... + 40322.

Almost surely, 2^340278372 is an apocalyptic number.

It is an amenable number.

340278372 is an abundant number, since it is smaller than the sum of its proper divisors (694500828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340278372 is a wasteful number, since it uses less digits than its factorization.

340278372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71105 (or 71100 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 340278372 is about 18446.6357908427. The cubic root of 340278372 is about 698.1436337389.

The spelling of 340278372 in words is "three hundred forty million, two hundred seventy-eight thousand, three hundred seventy-two".